habits, diet, manner of living, &c., and see what the matter is that the medicine does not take effect. So it is with the case of a sinner convicted but not converted. If your ordinary instructions and exhortations fail, there must be a difficulty. The particular difficulty is often known to the individual himself though he keeps it concealed. Sometimes it is something that has escaped even his own observation. (1.) Sometimes the individual has some idol, something which he loves more than God, which